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$DTST
$2.97 -$0.14 (4.35%) Close

Ownership

13F as of Q2 2026 · 2.3M shares outstanding

Who owns DTST?

By type of holder
Institutions 6.3% Insiders 14.8% Everyone else 78.9%
Concentration Top 10 holders own 15.7%
Panagiotakos Christos 4.3% · Correll Todd A. 2.4%
Institutional ownership
6.3%
-2.8 pts vs last qtr
Institutional holders
16
+1 vs last qtr
Net shares bought
−65.2K
by institutions in Q2 2026
New / sold out
4 / 3
positions opened vs closed

How is ownership changing?

Institutions, last 8 quarters

Biggest buyers in Q2 2026
  • HRT Financial LP NEW +10.9K
  • UBS Group AG NEW +5.3K

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Biggest sellers in Q2 2026
  • Vanguard Capital Management LLC −23.1K
  • Geode Capital Management, LLC −19.3K

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Who is planning to sell?

No insider has filed a notice of proposed sale (Form 144) for Data Storage Corp in the last 12 months.

Is your stake being diluted?

Diluted share count, FY2017–FY2025
+13.6%
+1.60% a year
Each share's claim on the business
−11.9%
shrank without buying or selling a share
Spent on buybacks vs paid in stock
— vs $3.33M
over 9 fiscal years
Diluted shares, split-adjusted
3.3M5.4M7.5M2017: 6.4M shares'172018: 6.6M shares'182019: 6.4M shares'192020: 3.4M shares'202021: 6.3M shares'212022: 6.8M shares'222023: 7.4M shares'232024: 6.9M shares'242025: 7.3M shares'25
Buybacks Stock-based comp
$0$502.9K$1.0M2017 buybacks: $02017 stock comp: $183.7K'172018 buybacks: $02018 stock comp: $32.0K'182019 buybacks: $02019 stock comp: $41.3K'192020 buybacks: $02020 stock comp: $158.7K'202021 buybacks: $02021 stock comp: $171.8K'212022 buybacks: $02022 stock comp: $734.5K'222023 buybacks: $02023 stock comp: $506.2K'232024 buybacks: $02024 stock comp: $499.0K'242025 buybacks: $02025 stock comp: $1.0M'25

How patient are the owners?

Institutional shares by how long they've been held
5+ years0% 3–5 years22% 1–3 years17% Under 1 year61%
Quarterly turnover
24.0%
of institutional shares changed hands
Top 10 managers, median time held
1 year

Super Investors

Investment managers reporting DTST on Form 13F
AW
Angeles Wealth Management, LLC
Shares
43.1K
% of company
1.84%
Change vs last qtr
Unchanged
Held since
Q4 '25
GC
Geode Capital Management, LLC
Shares
18.9K
% of company
0.81%
Change vs last qtr
−19.3K (−50.5%)
Held since
2021

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Institutional Funds

Mutual funds and ETFs reporting DTST on Form N-PORT; together they hold 2.4% of the company
VT
Vanguard Total Stock Market Index Fund
Vanguard Index Funds
Position value
$89.5K
% of company
0.99%
% of the fund
0.00%
As of
March 31, 2026
FT
Fidelity Total Market Index Fund
Fidelity Concord Street Trust
Position value
$30.7K
% of company
0.43%
% of the fund
0.00%
As of
August 31, 2026

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Insiders and 5%+ holders

From Forms 3/4/5 and Schedules 13D/G
PC
Panagiotakos Christos
Insider
Shares
100.5K
% of company
4.30%
Change vs last qtr
—
Held since
—
CT
Correll Todd A.
Insider
Shares
55.5K
% of company
2.38%
Change vs last qtr
—
Held since
—

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